| Primary Identifier | MGI:3797783 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Isl1 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A FRT-flanked neo-cassette and a loxP site was placed upstream of exon 2 and an additional loxP site was placed downstream of the exon. Germline mice were crossed with FLPe expressing mice to remove the neo-cassette, leaving exon 2 flanked by loxP sites. |